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单词 plasmasphere
释义

Definition of plasmasphere in English:

plasmasphere

noun ˈplazməsfiːəˈplazməˌsfir
Astronomy
  • The roughly toroidal region surrounding and thought to rotate with the earth (or another planet) at latitudes away from the poles, containing a relatively dense plasma of low-energy electrons and protons.

    〔天文〕等离子体层

    Example sentencesExamples
    • The story of the plasmasphere discovery started out as anecdotal.
    • This region is normally shielded by the Earth's plasmasphere, but during the particularly intense solar storms last year, this was eroded somewhat and the ‘safe-zone’ was flooded with ions.
    • The arm of the plasmasphere pointing toward the Sun, on the lower right, was hypothesized but never before seen directly.

Definition of plasmasphere in US English:

plasmasphere

nounˈplazməˌsfir
Astronomy
  • The roughly toroidal region surrounding and thought to rotate with the earth (or another planet) at latitudes away from the poles, containing a relatively dense plasma of low-energy electrons and protons.

    〔天文〕等离子体层

    Example sentencesExamples
    • The story of the plasmasphere discovery started out as anecdotal.
    • This region is normally shielded by the Earth's plasmasphere, but during the particularly intense solar storms last year, this was eroded somewhat and the ‘safe-zone’ was flooded with ions.
    • The arm of the plasmasphere pointing toward the Sun, on the lower right, was hypothesized but never before seen directly.
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更新时间:2025/6/19 15:43:56